This is the last scorecard on the NERC website for the Nigerian Electricity Industry.
Even in 2008, it showed a steady decline in Generation. Today, the figures are worse. 49 Units are down and unavailable pending mandatory overhaul as against a figure of 43 in this report.
You can look at the report here:
http://www.nercng.org/Portals/_Rainb...20by%20IT_.pdf